package chapter01;

public class java02_HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hellojava");
        System.out.println("Hellojava");
        System.out.println("Hellojava");
        System.out.println("Hellojava");
        //ctrl+D 复制当前行
        //ctrl+R 替换当前文字内容
    }
}
